30508560889 has 27 divisors (see below), whose sum is σ = 33452903757. Its totient is φ = 27818165088.

The previous prime is 30508560883. The next prime is 30508560917. The reversal of 30508560889 is 98806580503.

It is a happy number.

The square root of 30508560889 is 174667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7589023225 + 22919537664 = 87115^2 + 151392^2 .

It is not a de Polignac number, because 30508560889 - 2⁵ = 30508560857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30508560883) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 96241359 + ... + 96241675.

Almost surely, 2^30508560889 is an apocalyptic number.

30508560889 is the 174667-th square number.

30508560889 is the 87334-th centered octagonal number.

It is an amenable number.

30508560889 is a deficient number, since it is larger than the sum of its proper divisors (2944342868).

30508560889 is an frugal number, since it uses more digits than its factorization.

30508560889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 30508560889 in words is "thirty billion, five hundred eight million, five hundred sixty thousand, eight hundred eighty-nine".